US PATENT SUBCLASS 30 / 439
.~.~.~.~ Freely slidable cutter

Current as of: June, 1999
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30 /   HD   CUTLERY

400  DF  CAN OPENER {15}
435  DF  .~ Including sweep cutter {3}
437  DF  .~.~ With can penetrating pivot {1}
438  DF  .~.~.~ Variable cutter radius {2}
439.~.~.~.~ Freely slidable cutter {1}
440  DF  .~.~.~.~.~> Cutter comprising rotatable disc

DEFINITION

Classification: 30/439

(under subclass 438) Device including a guide arm slidably mounted to either the cutting element or the piercing pivot means to cause rotation of the cutting element about the pivot and permit relative sliding movement between the same radially along the guide arm during the cutting operation.